/* ── Reset & base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0A0A0F;
  --bg-2:      #0f0f16;
  --surface:   #111827;
  --surface-2: #1a2233;
  --surface-3: #222d42;
  --border:    rgba(255,255,255,0.07);
  --border-2:  rgba(255,255,255,0.12);
  --text:      #F1F5F9;
  --text-2:    #94a3b8;
  --text-3:    #4b5880;
  --blue-400:  #60a5fa;
  --blue-500:  #3b82f6;
  --blue-600:  #2563EB;
  --blue-700:  #1d4ed8;
  --green:     #22c55e;
  --red:       #ef4444;
  --yellow:    #eab308;
  --sidebar-w: 260px;
  --header-h:  56px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ───────────────────────────────────────────────────────────── */
#header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  z-index: 100; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; border-bottom: 1px solid var(--border);
  background: rgba(10,10,15,0.85); backdrop-filter: blur(12px);
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img {
  width: 28px; height: 28px; border-radius: 8px; object-fit: cover; flex-shrink: 0;
}
.hero-logo {
  display: flex; align-items: center; gap: 18px; margin-bottom: 8px;
}
.hero-logo-img {
  width: 64px; height: 64px; border-radius: 16px; object-fit: cover; flex-shrink: 0;
  box-shadow: 0 0 0 1px var(--border-2), 0 8px 24px rgba(37,99,235,0.15);
}
.logo-text { font-weight: 700; font-size: 15px; color: var(--text); }
.logo-text span { color: var(--blue-400); }
.logo-badge {
  font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 99px;
  background: rgba(37,99,235,0.15); color: var(--blue-400);
  border: 1px solid rgba(37,99,235,0.25); letter-spacing: 0.03em;
}
.header-right { display: flex; align-items: center; gap: 12px; }
.btn-app {
  display: flex; align-items: center; gap-6px; font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: 8px; text-decoration: none;
  background: var(--blue-600); color: #fff; transition: background 0.15s;
  gap: 6px;
}
.btn-app:hover { background: var(--blue-700); }
#mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 6px; color: var(--text-2);
}

/* ── Layout ───────────────────────────────────────────────────────────── */
#layout {
  display: flex; min-height: 100vh; padding-top: var(--header-h);
}

/* ── Sidebar ──────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  position: fixed; top: var(--header-h); bottom: 0; left: 0;
  overflow-y: auto; padding: 24px 0 40px;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
}
.nav-group { margin-bottom: 24px; }
.nav-group-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-3); padding: 0 20px; margin-bottom: 6px;
}
.nav-link {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 20px; font-size: 13.5px; color: var(--text-2);
  text-decoration: none; transition: all 0.12s; border-left: 2px solid transparent;
  cursor: pointer;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-link.active {
  color: var(--blue-400); background: rgba(37,99,235,0.08);
  border-left-color: var(--blue-500);
}
.nav-link svg { flex-shrink: 0; opacity: 0.7; }
.nav-link.active svg { opacity: 1; }

/* ── Main content ─────────────────────────────────────────────────────── */
#main {
  flex: 1; margin-left: var(--sidebar-w);
  max-width: 860px; padding: 48px 64px 96px;
}

/* ── Page sections ────────────────────────────────────────────────────── */
.page { display: none; animation: fadein 0.2s ease; }
.page.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── Typography ───────────────────────────────────────────────────────── */
.page-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue-400); margin-bottom: 10px;
}
h1 { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 16px; }
h2 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; margin: 48px 0 16px; padding-top: 8px; border-top: 1px solid var(--border); }
h3 { font-size: 1.05rem; font-weight: 600; margin: 28px 0 10px; color: var(--text); }
p { color: var(--text-2); margin-bottom: 16px; font-size: 15px; line-height: 1.75; }
a { color: var(--blue-400); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { color: var(--text); font-weight: 600; }
ul, ol { color: var(--text-2); padding-left: 20px; margin-bottom: 16px; font-size: 15px; line-height: 1.75; }
li { margin-bottom: 6px; }
li strong { color: var(--text); }

/* ── Lead paragraph ───────────────────────────────────────────────────── */
.lead { font-size: 17px; color: var(--text-2); line-height: 1.8; margin-bottom: 32px; }

/* ── Code ─────────────────────────────────────────────────────────────── */
code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 13px; background: var(--surface-2); color: var(--blue-400);
  padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border);
}
pre {
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 12px; padding: 20px 24px; margin: 20px 0;
  overflow-x: auto; position: relative;
}
pre code {
  background: none; border: none; padding: 0; color: var(--text-2);
  font-size: 13.5px; line-height: 1.8;
}
.code-label {
  display: inline-block; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-3); margin-bottom: 8px;
}
.hljs-keyword  { color: #c792ea; }
.hljs-string   { color: #a8ff78; }
.hljs-comment  { color: var(--text-3); font-style: italic; }
.hljs-number   { color: #f78c6c; }
.hljs-attr     { color: var(--blue-400); }
.hljs-built_in { color: #82aaff; }

/* ── Callouts ─────────────────────────────────────────────────────────── */
.callout {
  border-radius: 10px; padding: 16px 20px; margin: 20px 0; font-size: 14px;
  display: flex; gap: 12px; align-items: flex-start;
}
.callout-icon { flex-shrink: 0; font-size: 16px; margin-top: 1px; }
.callout p { margin: 0; font-size: 14px; }
.callout.info    { background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.2); }
.callout.info .callout-icon { color: var(--blue-400); }
.callout.warning { background: rgba(234,179,8,0.08); border: 1px solid rgba(234,179,8,0.2); }
.callout.warning .callout-icon { color: var(--yellow); }
.callout.tip     { background: rgba(34,197,94,0.07); border: 1px solid rgba(34,197,94,0.2); }
.callout.tip .callout-icon { color: var(--green); }
.callout.danger  { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); }
.callout.danger .callout-icon { color: var(--red); }

/* ── Steps ────────────────────────────────────────────────────────────── */
.steps { margin: 24px 0; }
.step  { display: flex; gap: 20px; margin-bottom: 28px; }
.step-num {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.3);
  color: var(--blue-400); font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.step-body h3 { margin-top: 4px; }

/* ── Table ────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead tr { background: var(--surface-2); }
th {
  text-align: left; font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 10px 16px; color: var(--text-3);
  border-bottom: 1px solid var(--border-2);
}
td {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  vertical-align: top; color: var(--text-2);
}
td code { font-size: 12.5px; }
td strong { color: var(--text); }
tr:last-child td { border-bottom: none; }
.check { color: var(--green); }
.cross { color: var(--text-3); }

/* ── Cards grid ───────────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 16px; margin: 24px 0; }
.card {
  border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; background: var(--surface); cursor: pointer; transition: all 0.15s;
  text-decoration: none; display: block;
}
.card:hover { border-color: rgba(37,99,235,0.4); background: rgba(37,99,235,0.05); transform: translateY(-1px); }
.card-icon { font-size: 22px; margin-bottom: 10px; }
.card h4 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.card p { font-size: 13px; color: var(--text-3); margin: 0; }

/* ── Badge ────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px;
}
.badge-blue   { background: rgba(37,99,235,0.15); color: var(--blue-400); border: 1px solid rgba(37,99,235,0.25); }
.badge-green  { background: rgba(34,197,94,0.12); color: var(--green);    border: 1px solid rgba(34,197,94,0.25); }
.badge-gray   { background: rgba(255,255,255,0.06); color: var(--text-2); border: 1px solid var(--border); }
.badge-yellow { background: rgba(234,179,8,0.12); color: var(--yellow);   border: 1px solid rgba(234,179,8,0.25); }

/* ── Method badges ────────────────────────────────────────────────────── */
.method {
  display: inline-block; font-family: monospace; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 5px; margin-right: 8px;
}
.GET    { background: rgba(34,197,94,0.15);  color: var(--green); }
.POST   { background: rgba(37,99,235,0.15);  color: var(--blue-400); }
.PATCH  { background: rgba(234,179,8,0.15);  color: var(--yellow); }
.DELETE { background: rgba(239,68,68,0.15);  color: var(--red); }

/* ── Endpoint row ─────────────────────────────────────────────────────── */
.endpoint {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; margin: 12px 0; background: var(--surface);
}
.endpoint-path { font-family: monospace; font-size: 14px; color: var(--text); }
.endpoint-desc { font-size: 13px; color: var(--text-2); margin-top: 4px; }

/* ── Plan comparison ──────────────────────────────────────────────────── */
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.plan-card {
  border: 1px solid var(--border); border-radius: 14px; padding: 24px;
  background: var(--surface);
}
.plan-card.featured { border-color: rgba(37,99,235,0.4); background: rgba(37,99,235,0.05); }
.plan-price { font-size: 2rem; font-weight: 800; color: var(--text); margin: 8px 0 4px; }
.plan-price span { font-size: 15px; font-weight: 400; color: var(--text-3); }
.plan-features { list-style: none; padding: 0; margin-top: 16px; }
.plan-features li { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 14px; color: var(--text-2); }
.plan-features li::before { content: "✓"; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* ── Var table ────────────────────────────────────────────────────────── */
.var-row { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.var-row:last-child { border-bottom: none; }
.var-name { font-family: monospace; font-size: 13px; color: var(--blue-400); flex-shrink: 0; min-width: 140px; }
.var-desc { font-size: 14px; color: var(--text-2); }

/* ── Footer ───────────────────────────────────────────────────────────── */
#docs-footer {
  margin-left: var(--sidebar-w); padding: 32px 64px;
  border-top: 1px solid var(--border);
}
.footer-inner { max-width: 860px; }
.footer-brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px; color: var(--text); margin-bottom: 14px;
}
.footer-logo { width: 24px; height: 24px; border-radius: 6px; object-fit: cover; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-bottom: 14px; }
.footer-links a {
  font-size: 13px; color: var(--text-2); text-decoration: none; transition: color 0.12s;
}
.footer-links a:hover { color: var(--blue-400); }
.footer-copy { font-size: 12px; color: var(--text-3); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  #docs-footer { margin-left: 0; padding: 24px 16px; }
  #sidebar {
    transform: translateX(-100%); transition: transform 0.25s ease;
    z-index: 90;
  }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; padding: 32px 24px 80px; }
  #mobile-toggle { display: flex; }
  .plan-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  h1 { font-size: 1.7rem; }
  #main { padding: 24px 16px 80px; }
}